Man'yō Plants Yama’ai 24th November 2015 temca Leave a comment Man’yō Name Yama’awi 山藍（ やまあゐ） Modern Name Yama’ai 山藍（ヤマアイ） English Names Mercury Scientific Name F. Euphorbiaceae Mercurialis leiocarpa Distribution Honshu, Shikoku, Kyushu Appearance Seasonal Association Poems (1) MYS IX: 1742